Consider the question. If you are awaking multiple times throughout the night because a lot is on your mind, what is a likely cause?
Options:
- irritability
- depression
- getting out of bed
- happiness
- discomfort
 What is the step-by-step reasoning process to arrive at the answer: depression?
Depression is an illness of intense sadness. Having a lot in mind and not letting one to sleep is likely caused by sadness.